Cook pasta according to instructions on the packaging.
Heat olive oil over medium-high heat in a large pan. Add garlic and onion and sauté until fragrant, for about 3-4 minutes. Add in bell pepper and crumbled tempeh and sauté for another 5 minutes.
Reduce heat to medium-low and add chopped tomatoes, tomato puree, vinegar and mixed herbs – season with salt and pepper. Bring to boil and let it simmer for 5-6 minutes or until heated through.
To serve, divide pasta and Bolognese between plates and garnish with basil.